data communication & networking

1.  Data communication and transmission techniques
 Fundamentals of OSI and TCP/IP model
 Basic operations of a switch (startup, NVRAM, flash/IOS backup & recovery)
IP Addressing & Summarization:
 IP address classes
 Classful and classless IP addresses
 IP subnetting
 Understating wild card masks
 CIDR, FLSM, and VLSM
 IPv6 fundamentals
Basics of Routing
 RIP
 EIGRP
 OSPF
LAN Switching:
VLAN
 Basic requirements of VLANs
 VLAN Database
 Normal/Extended VLAN, voice VLAN
 Inter-VLAN routing
 Switch Virtual Interface (SVI)
Implement and Troubleshoot Trunking
 Trunk encapsulations
 DTP (Dynamic Trunking Protocol)
 Native VLAN
 Manual VLAN pruning
VLAN Trunking Protocol
 Requirement and functionalities of VTP
 VTP modes/versions
 VTP revision number
 VTP pruning
 VTP authentication
Spanning Tree Protocol
 Needs of STP
 Switch priority, port priority, path cost, STP timers
 PVST and PVST+
 RSTP and RPVST

2.  Multi-Spanning Tree (MST)
 Spanning Tree Enhancements (PortFast, UplinkFast, BackboneFast, etc.)
Implement and Troubleshoot Ether-channel
 LACP, PAgP, manual
 Layer 2, layer 3
 Ether-channel Load-balancing
 Ether-channel misconfiguration guard
First Hop Redundancy
 Hot Standby Routing Protocol (HSRP)
 Virtual Routing Redundancy Protocol (VRRP)
 Gateway Load Balancing Protocol (GLBP)
L2- QoS
 QoS Models and Tools
 Layer 2 queues
Layer 2 Network Security
 DHCP Snooping
 Dynamic ARP Inspection (DAI)
 BPDU Guard, BPDU Filter, Root Guard, Loop Guard, UDLD
 AAA server
 VLAN Access-Maps
 Private VLANs
 Storm Control
 Port-Security
 IP Source Guard
Network Services
 System Management (VTY, Telnet, HTTP, SSH, FTP, TFTP)
 SNMP, Syslog
 DHCP client, IOS DHCP server, DHCP relay
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